Endocrine functions and ageing - a summary, M.B. Vallotton; ageing of the human hypothalamus, D.F. Swaab; effects of ageing on endocrine and neuroendocrine rhythms in humans, Y. Touitou; effects of ageing on modulation of hormonal secretions by sleep and circadian rhythmicity, G. Copinschi and E. Van Cauter; ageing of the hypothalamo-pituitary-testicular axis in men, A. Vermuelen and J.M. Kaufman; pituitary-thyroid axis and immune system - a reciprocal neuroendocrine-immune interaction, N. Fabris et al; somatotropic dysregulation in old mammals, E.E. Muller et al; nutrition of the elderly - a challenge between facts and needs, J.L. Schlienger et al; glucose handling, diabetes and ageing, G. Paolisso et al; cardiovascular risk at the menopause - role of sexual steroids, R. Sitruk-Ware; thyroid autoimmunity and ageing, A. Pinchera et al; paracrine regulation of bone remodelling, G. Weryha and J. Leclere; carciotropic hormones and ageing, J.-L. Wemeau; diagnostic procedures for osteoporosis in the elderly, P.D. Delmas; treatment of bone in elderly subjects - calcium, vitamin D, fluor, bisphosphonates, calcitonin, J.-Y.L. Reginster; retinoids and ageing, J.-H. Saurat; consequences of growth hormone deficiency in adults and the benefits and risks of recombinant human growth hormone treatment, a review paper, T. Rosen et al; estrogens and progestins in postmenopausal women - influence on lipid parameters and cardiovascular risk, E. Bruckert and G. Turpin; hormone substitution in older men, M. Pugeat et al.